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duanzhi1984 2010-11-09
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select *from a where c=1 and (b=1 or b=2)
select *from a where c=1 and b in(1,2)
seiferbb 2010-11-09
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select * from a where (b = 1 or b = 2) and c = 1
select *from a where c=1 and (b=1 or b=2)
select *from a where c=1 and b in(1,2)
